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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1992 Mercury Grand Marquis car and truck
repair procedures including Mercury engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work
guidance, starter & alternator replacement procedures, serpentine belt replacement procedures, radiator & hose replacement procedures, tune-up &
drivability specifications, quick lube illustrations, preventive maintenance guide, engine light reset instructions, parts removal and install
procedures, fuel filter replacement directions, component location diagrams, air filter locations & replacement instructions, a/c
system specifications, and general auto service procedures. You don't have to be a car mechanic or technician to know how to fix
your 1992 Mercury Grand Marquis automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 1992 Mercury Grand Marquis AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1992 Mercury Grand Marquis cars and light trucks from 1990+
Computer Relearn Procedures -> Ford Motor Co. -> 1999-2002 -> 2003-04 -> Automatic Data Transfer -> Except 1999-2002 -> Manual Data Entry -> Powertrain Control Module (PCM)
Vehicle: 1992 Mercury Grand Marquis 4.6 V8 GAS
Powertrain Control Module (PCM)
Except 1999-2002
Disconnect negative battery cable for a minimum of five minutes. After clearing memory, it is required to drive vehicle a minimum of 10 miles to allow PCM time to relearn operating strategy.
1999-2002
Automatic Data Transfer
- Prior to removing old PCM, connect a suitably programmed scan tool to Data Link Connector (DLC).
- Follow scan tool manufacturers' instructions to download data from old PCM.
- Install new PCM and connect scan tool to DLC.
- Follow scan tool manufactur...
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A/C & HEATER SERVICE PROCEDURES FOR 1992 Mercury Grand Marquis AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1992 Mercury Grand Marquis cars and light trucks from 1990+
Automatic Temperature Control Systems Diagnosis & Testing -> Crown Victoria, Grand Marquis & Town Car -> Diagnosis & Testing -> 1992 MODELS -> 1993 CROWN VICTORIA & GRAND MARQUIS -> 1993 TOWN CAR -> AMBIENT TEMPERATURE SENSOR DIAGNOSIS -> ATC FUNCTIONAL TEST -> ATC TEMPERATURE CONTROL QUICK TEST -> BLEND DOOR ACTUATOR DIAGNOSIS -> BLEND DOOR ACTUATOR FUNCTIONAL TEST -> BLOWER SPEED CONTROL FUNCTIONAL TEST -> BLOWER SPEED CONTROLLER FUNCTIONAL TESTS -> DIAGNOSTIC PROCEDURE -> EATC SYSTEM FUNCTIONAL CHECK -> IN-VEHICLE TEMPERATURE SENSOR DIAGNOSIS -> SELF DIAGNOSTICS TEST -> SUNLOAD SENSOR DIAGNOSIS -> SYSTEM CHECK -> Test No. 1--Blower Will Not Run -> Test No. 2--High Blower Always On In All Switch Positions -> Test No. 3--No Medium Or Low Blower Speeds -> Test No. 4--No High Blower Speed -> Test No. 4--No Higher Blower Speed -> THERMAL BLOWER LOCK OUT SWITCH FUNCTIONAL TEST -> VACUUM SYSTEM DIAGNOSIS
Vehicle: 1992 Mercury Grand Marquis 4.6 V8 GAS
1992 MODELS
ATC malfunctions can be divided into three groups as follows:
- Improper discharge temperature control.
- Improper blower speed control.
- Improper system air discharge control.
The most common cause of ATC failures are vacuum leaks and aspirator hose connections. Use the following diagnostic procedures and tests to analyze the ATC system and isolate the inoperative component.
ATC TEMPERATURE CONTROL QUICK TEST
Refer to Fig. , for the ATC temperature control quick test. This test assumes interior temperature is between 70-80...
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A/C & HEATER SERVICE PROCEDURES FOR 1992 Mercury Grand Marquis AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1992 Mercury Grand Marquis cars and light trucks from 1990+
Electrical Symbol & Wire Color Code Identification -> Electrical Symbol Identification -> Domestic Vehicles
Vehicle: 1992 Mercury Grand Marquis 4.6 V8 GAS
CLICK HERE TO GET FULL ACCESS TO 1992 Mercury Grand Marquis A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 1992 Mercury Grand Marquis AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1992 Mercury Grand Marquis cars and light trucks from 1990+
Component Replacement & Adjustment -> Passenger Cars -> COOLING SYSTEM BLEED -> 1.3L/4-81, 1.6L/4-98, 2.0L/4-121, 2.2L/4-122, 2.3L/4-140, 2.5L/4-152, 3.0L/V6-182, 3.8L/V6-232 & 5.0L/V8-302 ENGINES -> 1.8L/4-112 & 1.9L/4-116 ENGINES -> 4.6L/V8-281 ENGINE -> Cougar & Thunderbird w/5.0L/V8-302 Engine -> Except Cougar & Thunderbird w/5.0L/V8-302 Engine
Vehicle: 1992 Mercury Grand Marquis 4.6 V8 GAS
1.8L/4-112 & 1.9L/4-116 ENGINES
After filling cooling system, run engine for approximately 12 minutes with radiator pressure cap off, then top off radiator. Secure cap, then with engine running, fill coolant reservoir to FULL HOT mark with coolant.
1.3L/4-81, 1.6L/4-98, 2.0L/4-121, 2.2L/4-122, 2.3L/4-140, 2.5L/4-152, 3.0L/V6-182, 3.8L/V6-232 & 5.0L/V8-302 ENGINES
Except Cougar & Thunderbird w/5.0L/V8-302 Engine
These engines do not require a specific bleed procedure. After filling cooling system, start engine and allow to reach operating temperat...
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A/C & HEATER SERVICE PROCEDURES FOR 1992 Mercury Grand Marquis AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1992 Mercury Grand Marquis cars and light trucks from 1990+
General Service Domestic Vehicles -> 1992-93 -> Discharging System
Vehicle: 1992 Mercury Grand Marquis 4.6 V8 GAS
R-134a systems require the use of special service equipment designed specifically for R-134a systems. R-12 servicing equipment cannot be used on R-134a systems.
Refrigerant-12 recovery stations cannot be used on Refrigerant-134a systems. A separate recovery station must be used on R-134a systems. The refrigerants are not compatible and will contaminate the R-12 recovery station.
The use of refrigerant recovery and recycling stations allows the recovery and reuse of refrigerant after contaminants and moisture have been removed.
When using a recovery or recycli...
CLICK HERE TO GET FULL ACCESS TO 1992 Mercury Grand Marquis A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 1992 Mercury Grand Marquis AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1992 Mercury Grand Marquis cars and light trucks from 1990+
Component Replacement & Adjustment -> Passenger Cars -> EVAPORATOR CORE, REPLACE -> 1992 -> 1993 -> CAPRI -> CONTINENTAL & MARK VII -> COUGAR & THUNDERBIRD -> CROWN VICTORIA, GRAND MARQUIS & TOWN CAR -> ESCORT & TRACER -> FESTIVA -> MARK VIII -> MUSTANG -> PROBE -> SABLE & TAURUS -> TEMPO & TOPAZ
Vehicle: 1992 Mercury Grand Marquis 4.6 V8 GAS
CROWN VICTORIA, GRAND MARQUIS & TOWN CAR
- Disarm air bag system as described under .
- Drain cooling system.
- Disconnect and cap suction hose from accumulator drier.
- Disconnect liquid line from evaporator inlet tube. Position liquid line away from evaporator assembly.
- Disconnect two electrical connectors from de-ice switch in accumulator drier.
- Disconnect heater hoses from heater core tubes.
- Remove six right hand hood seal bracket assembly attaching screws, then remove ground strap and fold hood seal toward left hand side. ...
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